Desmids –
Archaeplastida (Part)

Observations on Closterium ehrenbergii

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Closterium ehrenbergii Meneghini ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Closterium gigas F.Gay 1884
                               Arthrodia ehrenbergii (Ralfs) Kuntze 1891
                               Arthrodia gigas (F.Gay) Kuntze 1891
                               Closterium robustum W.N.Hastings 1892

Sampling date 04/2021. Scale bars indicate 100 µm.

Four images.

First:	Synoptic representation of the cell surface. The bars in the enlarged inset mark 10 µm. The striation has a density of 15 lines/10 µm. The mucilage for locomotion can be seen at the right cell tip.
Second:	Optical cross-section through ribs of the stellate chloroplasts showing also some pyrenoids.
Third:	Optical cross-section showing the nucleus and further pyrenoids.
Fourth:	The focus of the optical cross-section is on the terminal vacuoles.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: Pond near Großostheim (Germany)
Latitude: 49.88482168 Longitude: 9.0998082

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.

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Observations on Closterium ehrenbergii

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